首页|Existence of Global Solutions to the Nonlocal mKdV Equation on the Line
Existence of Global Solutions to the Nonlocal mKdV Equation on the Line
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In this paper,the authors address the existence of global solutions to the Cauchy problem for the integrable nonlocal modified Korteweg-de Vries(nonlocal mKdV for short)equation under the initial data u0 ∈ H3(R)∩H1,1(R)with the L1(R)small-norm assumption.A Lipschitz L2-bijection map between potential and reflection coefficient is established by using inverse scattering method based on a Riemann-Hilbert problem associated with the Cauchy problem.The map from initial potential to reflection coefficient is obtained in direct scattering transform.The inverse scattering transform goes back to the map from scattering coefficient to potential by applying the reconstruction formula and Cauchy integral operator.The bijective relation naturally yields the existence of global solutions in a Sobolev space H3(R)∩ H1,1(R) to the Cauchy problem.
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